Con"cha (?), n. [LL. (in sense 1), fr. concha. See Conch.]

1. Arch.

The plain semidome of an apse; sometimes used for the entire apse.

2. Anat.

The external ear; esp. the largest and deepest concavity of the external ear, surrounding the entrance to the auditory canal.

 

© Webster 1913.

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